Analysis Overview
SHA256
9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d
Threat Level: Known bad
The file 9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Checks computer location settings
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-25 09:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-25 09:28
Reported
2022-06-25 11:27
Platform
win7-20220414-en
Max time kernel
150s
Max time network
154s
Command Line
Signatures
Imminent RAT
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1520 set thread context of 1680 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\debug\WIA\ZZFiEH.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| File created | C:\Windows\debug\WIA\ZZFiEH.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe
"C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZZFiEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6CE.tmp"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | multi100.spdns.de | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| US | 8.8.8.8:53 | multi100.spdns.de | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
Files
memory/1240-54-0x00000000753E1000-0x00000000753E3000-memory.dmp
memory/1240-55-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1520-56-0x0000000000000000-mapping.dmp
memory/1240-58-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1520-59-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1520-60-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1984-61-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF6CE.tmp
| MD5 | 8b926169005056805d0673976315c880 |
| SHA1 | 47e5aa8c7d068d7e3465c1453c5e2a9c1904c0fb |
| SHA256 | 0a96eb615f55466f4eb684eca8cec525d0e6e7601bdaee0b6e9a401f559f1354 |
| SHA512 | 094a655fa44edaa9d841a0beefcf1ddc0cffb6a59d0c38a75546c4cc19c1dc373d1ecb355f6b14d0f3724ad0b497c0ed562998b3ad57beee00a449cbb55bdedd |
memory/1680-63-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-64-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-66-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-67-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-69-0x0000000000451DDE-mapping.dmp
memory/1680-68-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-71-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1520-73-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1680-74-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1680-76-0x0000000074880000-0x0000000074E2B000-memory.dmp
memory/1680-77-0x0000000074880000-0x0000000074E2B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-25 09:28
Reported
2022-06-25 11:28
Platform
win10v2004-20220414-en
Max time kernel
187s
Max time network
192s
Command Line
Signatures
Imminent RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4012 set thread context of 2236 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe
"C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\9f54853cd9ca3de3f36a870d6c6b7ad122d529e6dcf97bf6c88a839fb6ba032d.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZZFiEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CB2.tmp"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 13.69.109.130:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 52.242.97.97:443 | tcp | |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | multi100.spdns.de | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| US | 8.8.8.8:53 | 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| US | 8.8.8.8:53 | multi100.spdns.de | udp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
| DE | 157.230.109.22:49649 | multi100.spdns.de | tcp |
Files
memory/3808-130-0x0000000074C20000-0x00000000751D1000-memory.dmp
memory/4012-131-0x0000000000000000-mapping.dmp
memory/3808-132-0x0000000074C20000-0x00000000751D1000-memory.dmp
memory/4012-133-0x0000000074C20000-0x00000000751D1000-memory.dmp
memory/4012-134-0x0000000074C20000-0x00000000751D1000-memory.dmp
memory/2516-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp7CB2.tmp
| MD5 | 370ae8daafcc3d7a711575e04099e1b6 |
| SHA1 | 67f386f81fc43903f27a25f67ac7ddbb49af292d |
| SHA256 | 01074350ce855c59baf21252843f5bc55d657636b2fdeb4973a233245ca3eed1 |
| SHA512 | 950839e8bacbdb94d1ed449f43a5a8c13ce2aa4d79126df88ddb6f24c87845bcfc19638ec55d156e60459a5fe856695b115679f7b007c51eaa83bf1bfea66f82 |
memory/2236-137-0x0000000000000000-mapping.dmp
memory/2236-138-0x0000000000400000-0x0000000000456000-memory.dmp
memory/4012-140-0x0000000074C20000-0x00000000751D1000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\installutil.exe.log
| MD5 | 7a4a84f4d2df1fe011638038702dad89 |
| SHA1 | 64e9856d95b2064ff51e1c77819c818e6e5b3291 |
| SHA256 | cfd5734d90e6889355768ae5a723076000d88af2e5b6b435d55fa5bfa3e29590 |
| SHA512 | cbe9f7724806d161e70a161525c89199e10e6f38ad425533defaa1e02a12bf2cf28cba6788ed68e446cbd4286541e341b55c40133c134f9fcf94cae79b34092d |
memory/2236-141-0x0000000074C20000-0x00000000751D1000-memory.dmp
memory/2236-142-0x0000000074C20000-0x00000000751D1000-memory.dmp